GEA Bock HGZ7 Series User Manual

D
GB
F
E
3
09726-06.2018-DGbF
Contents Page
1 Safety 4
 1.1 Identicationofsafetyinstructions
 1.2 Qualicationsrequiredofpersonnel
1.3 General safety instructions
1.4 Intended use
2 Product description 6
2.1 Short description standard design
2.2 ain and functional parts
2.3 Short description optional design
2.4 Name plate
2.5 Type key
3 Areas of application 9
3.1 Refrigerants
3.2 Oil charge
3.3 Limits of application
3.4
Subcooling temperature
4 Description of functions 14
4.1 Two-stagerefrigerationcircuitwithliquidsubcooler
5 Compressor assembly 16
5.1 Storage and transportation
5.2 Setting up
 5.3 Installationoftheliquidsubcoolersystem(optionaldesign)
5.4
Installationexample,liquidsubcoolerwithaccessories
 5.5 Factory-installedliquidsubcoolersystem(optionaldesign)
5.6 Pipe connections
5.7 Pipes
5.8 Laying suction ans pressure lines
5.9 Operating the shut-off valves
5.10 Operating mode of the lockable service connections
6 Electrical connection 23
6.1 Information for contactor and motor contactor selection
6.2 Circuit diagram for part-winding start
6.3 Standard motor, design for direct or partial winding start
6.4 Electronic trigger unit MP10
6.5 Connecting the trigger unit MP10
6.6 Functional test of the trigger unit MP10
 6.7 Oilsumpheater(accessories)
7 Commissioning 30
7.1 Preparations for start-up
7.2 Pressure strengh test
7.3 Leak test
7.4 Evacuation
7.5 Refrigerant charge
7.6 Start-up
7.7 Avoid slugging
8 Maintenance 33
8.1 Preparation
8.2 Work to be carried out
8.3 Spare parts recommendation
8.4 Replacing the valve plates
8.5 Extract from the lubricants table
8.6 Decommissioning
8.7 Accessories
9 Technical data 36
10 Dimensions and connections 37
11 Declaration of installation 40
12 Service 42

GEA Bock HGZ7 Series Specifications

General

Brand	GEA Bock
Model	HGZ7 Series
Category	Air Compressor
Language	English